Coding efficiency improvements beyond HEVC with known tools

Alexander Alshin; Elena Alshina; Madhukar Budagavi; Kiho Choi; Junghye Min; Michael Mishourovsky; Yinji Piao; Ankur Saxena

doi:10.1117/12.2193683

22 September 2015 Coding efficiency improvements beyond HEVC with known tools

Alexander Alshin, Elena Alshina, Madhukar Budagavi, Kiho Choi, Junghye Min, Michael Mishourovsky, Yinji Piao, Ankur Saxena

Author Affiliations +

Proceedings Volume 9599, Applications of Digital Image Processing XXXVIII; 95991C (2015) https://doi.org/10.1117/12.2193683
Event: SPIE Optical Engineering + Applications, 2015, San Diego, California, United States

Abstract

In this paper, several coding tools are evaluated on top of the HEVC version 1. Among them there are straightforward extension of HEVC coding tools (such as Coding Unit size enlarging, fine granularity of Intra prediction angles) and algorithms that have been studied during HEVC development (such as secondary transform, multi-hypothesis CABAC, multi-parameter Intra prediction, bidirectional optical flow). Most of them improve performance of Intra coding. Minor adjustment to the final version of HEVC standard was done for efficient harmonization of the proposed coding tools with HEVC. Performance improvement observed from investigated tools is up to 7,1%, 9,9%, 4,5% and 5,7% in all-intra, random access, low-delay B and low-delay P test scenario (using HEVC common test conditions).

Citation Download Citation

Alexander Alshin, Elena Alshina, Madhukar Budagavi, Kiho Choi, Junghye Min, Michael Mishourovsky, Yinji Piao, and Ankur Saxena "Coding efficiency improvements beyond HEVC with known tools", Proc. SPIE 9599, Applications of Digital Image Processing XXXVIII, 95991C (22 September 2015); https://doi.org/10.1117/12.2193683

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